package com.gxgeek.javabasic.base.bytes;

/**
 * Created by Administrator on 2017/7/19.
 */
public class ByteTest {
    public static void main(String[] args) {
        byte a = 127;
        byte b = 127;
//        b = a + b; // error : cannot convert from int to byte
        b += a; // ok
        System.out.println(b);
    }
}
